2540312013 has 16 divisors (see below), whose sum is σ = 3423056000. Its totient is φ = 1675650240.

The previous prime is 2540312011. The next prime is 2540312017. The reversal of 2540312013 is 3102130452.

It is not a de Polignac number, because 2540312013 - 2¹ = 2540312011 is a prime.

It is a super-2 number, since 2×2540312013² = 12906370246784224338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540312011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96303 + ... + 119811.

It is an arithmetic number, because the mean of its divisors is an integer number (213941000).

Almost surely, 2^2540312013 is an apocalyptic number.

It is an amenable number.

2540312013 is a deficient number, since it is larger than the sum of its proper divisors (882743987).

2540312013 is a wasteful number, since it uses less digits than its factorization.

2540312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23892.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2540312013 is about 50401.5080429147. The cubic root of 2540312013 is about 1364.4648553678.

Adding to 2540312013 its reverse (3102130452), we get a palindrome (5642442465).

The spelling of 2540312013 in words is "two billion, five hundred forty million, three hundred twelve thousand, thirteen".